| 1 | package org.expeditee.items.widgets.charts;
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| 2 |
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| 3 | import java.awt.Font;
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| 4 |
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| 5 | import javax.swing.JPanel;
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| 6 |
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| 7 | import org.expeditee.gui.AttributeUtils;
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| 8 | import org.expeditee.gui.AttributeValuePair;
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| 9 | import org.expeditee.gui.Frame;
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| 10 | import org.expeditee.items.Text;
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| 11 | import org.expeditee.items.widgets.InteractiveWidget;
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| 12 | import org.jfree.chart.ChartPanel;
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| 13 | import org.jfree.chart.JFreeChart;
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| 14 | import org.jfree.chart.labels.PieSectionLabelGenerator;
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| 15 | import org.jfree.chart.plot.PiePlot;
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| 16 | import org.jfree.chart.plot.Plot;
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| 17 | import org.jfree.chart.title.LegendTitle;
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| 18 | import org.jfree.chart.title.TextTitle;
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| 19 | import org.jfree.data.general.AbstractDataset;
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| 20 | import org.jfree.data.general.DefaultPieDataset;
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| 21 |
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| 22 | public abstract class AbstractChart extends InteractiveWidget {
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| 23 |
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| 24 | protected static final String DEFAULT_TITLE = "";
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| 25 |
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| 26 | private JFreeChart _chart = null;
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| 27 |
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| 28 | private LegendTitle _legend = null;
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| 29 |
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| 30 | protected JFreeChart getChart() {
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| 31 | return _chart;
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| 32 | }
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| 33 |
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| 34 | public AbstractChart(Text source, String[] args) {
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| 35 | super(source, new JPanel(), 100, 300, -1, 100, 300, -1);
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| 36 |
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| 37 | init();
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| 38 | refresh();
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| 39 | }
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| 40 |
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| 41 | @Override
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| 42 | protected String[] getArgs() {
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| 43 | return null;
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| 44 | }
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| 45 |
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| 46 | protected void init() {
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| 47 | // create a chart...
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| 48 | _chart = createNewChart();
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| 49 | _chart.getPlot().setNoDataMessage("Add link to data frame");
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| 50 | _legend = _chart.getLegend();
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| 51 | ChartPanel cp = new ChartPanel(_chart);
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| 52 | cp.setPopupMenu(null);
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| 53 | super._swingComponent = cp;
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| 54 | }
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| 55 |
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| 56 | protected abstract JFreeChart createNewChart();
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| 57 |
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| 58 | @Override
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| 59 | public void refresh() {
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| 60 | super.refresh();
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| 61 | // Get the data from the linked frame
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| 62 | Frame dataFrame = getDataFrame();
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| 63 |
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| 64 | _chart.clearSubtitles();
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| 65 |
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| 66 | if (dataFrame != null) {
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| 67 | _chart.setTitle(dataFrame.getTitle());
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| 68 |
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| 69 | refreshData(dataFrame);
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| 70 |
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| 71 | if (dataFrame.hasAnnotation("legend")) {
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| 72 | _chart.addLegend(_legend);
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| 73 | }
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| 74 | if (dataFrame.hasAnnotation("subtitle")) {
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| 75 | getChart().addSubtitle(
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| 76 | new TextTitle(dataFrame.getAnnotationValue("subtitle"),
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| 77 | JFreeChart.DEFAULT_TITLE_FONT.deriveFont(
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| 78 | Font.ITALIC,
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| 79 | JFreeChart.DEFAULT_TITLE_FONT
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| 80 | .getSize2D() * .7F)));
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| 81 | }
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| 82 |
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| 83 | refreshPlot(dataFrame, _chart.getPlot());
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| 84 |
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| 85 | } else {
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| 86 | _chart.setTitle(this.getClass().getSimpleName() + " Chart");
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| 87 | }
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| 88 | super._swingComponent.invalidate();
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| 89 | }
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| 90 |
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| 91 | /**
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| 92 | * @param dataFrame
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| 93 | */
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| 94 | protected abstract void refreshPlot(Frame dataFrame, Plot plot);
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| 95 |
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| 96 | /**
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| 97 | * @param dataFrame
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| 98 | */
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| 99 | protected abstract void refreshData(Frame dataFrame);
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| 100 |
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| 101 | @Override
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| 102 | public float getMinimumBorderThickness() {
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| 103 | return 1.0F;
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| 104 | }
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| 105 | }
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